Roof rack



FIG. 1 is a perspective elevation view of a roof rack showing my new design, it being understood that the broken line showing of the vehicle is for illustrative purposes only;

FIG. 2 is a perspective elevation view of a roof rack showing my new design, it being understood that the broken line showing of the vehicle is for illustrative purposes only;

FIG. 3 is a frontal elevation view of a the roof rack;

FIG. 4 is a top plan view of the roof rack;

FIG. 5 is a bottom plan view of the roof rack;

FIG. 6 is a rear elevational view of the roof rack; and,

FIG. 7 is a left side elevation view of the roof rack, the right side elevation view is identical. 

The ornamental design for a roof rack, as shown and described. 